Home / 66,446.93-91,707.27-39,605.02

Finding the Fourth Proportional to 66,446.93, 91,707.27 and 39,605.02

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Solution

The fourth proportional to 66,446.93, 91,707.27 and 39,605.02 is: 54,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446.93 : 91,707.27 = 39,605.02 : x
  2. Step 2: Convert to fraction form
    66,446.93/91,707.27 = 39,605.02/x
  3. Step 3: Cross multiply
    66,446.93x = 91,707.27 × 39,605.02
  4. Step 4: Simplify right side
    66,446.93x = 3,632,068,262.50
  5. Step 5: Solve for x
    x = 3,632,068,262.50/66,446.93
  6. Step 6: Final answer
    x = 54,661.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.